When working a circular moulded stone cap, work the stone first to the parallel thickness required, and draw on centre lines at right angles to each other, their point of intersection being the centre of the circular cap. These lines should be "boned" through the beds so that they are in the same plane and coincide with each other, dividing also the circumference into four quadrants, to facilitate the working. This being done, scribe in on the top bed (with compasses or trammel) the nose line, which is the extreme size of the stone, as at A and the wall line B in the accompanying figure. On the bottom bed scribe in the wall line B', the fillet line c, and any of the other members or fillets projected down. Now work the nosing all round, squaring in from the top bed, and gauge on the two parallel lines the width of the nose. Next take a chamfered check out roughly as shown on section at A, E, D, F, and clean in the fascia E; this may be squared in from the bottom bed, or a concave template may be used for guidance, squaring in only four of the points at the centre lines instead of the whole line. Rough the mouldings out, and clean them in, with the assistance of templates a,ud reverses.

Lastly, finish the cap by taking off the weathering from the top bed.

Working a Circular Moulded Stone Cap.